Yaesu FT-857 Operation Manual
Also see for FT-857 series: ManualTechnical supplementBrochure & specsOperating manualTechnical supplement
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Contents
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50 FT-857 Operating ManualAF Speech Processor OperationThe AF Speech Processor increases your average power output while operating on SSB andAM modes.1. Press the [FUNC] key, then rotate the SELECT knob, as necessary, to recall MultiFunction Row “c” [STO, RCL, PROC].2. Press the [C](PROC) key to activate the AF Speech Processor. The “u” icon will appearat the left side of the “PROC” notation.3. Now press the PTT key (unless you have VOX enabled), and speak into the microphonein a normal voice level, as usual.4. To deactivate the AF Speech Processor, again press the [C](PROC) key.5. The Compression Level may be adjusted via the Menu, as follows:ü While still in Multi Function Row “c” [STO, RCL, PROC], press and hold in the[C](PROC) key for one second. This instantly recalls Menu Mode No-074 [PROCLEVEL].ü Rotate the DIAL to set a new level of Compression (the default value is “50”).ü When you have made your selection, press and hold in the [FUNC] key for onesecond to save your new setting and return to normal operation.ü Make some on-the-air checks, or use a monitor receiver in your station, to ensure thatgood voice quality has been obtained via your adjustment.Excessive advancement of the Compression Level may lead to distortion. Eachoperator’s voice pattern is different, so try several settings to find the one which isbest for your voice.TRANSMITTER OPERATIONSSB/AM TRANSMISSION |
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